COMPUTER NETWORKING

Detailed explanation-1: -Simple Mail Transfer Protocol (SMTP) SMTP is an application layer protocol that is used to transmit electronic mail. The SMTP sender process uses a randomly assigned TCP port above 1023 to send SMTP messages to the SMTP receiver process that is listening at the well-known TCP port 25.

Detailed explanation-2: -Simple Mail Transfer Protocol (STMP) SMTP is used to send and receive email. It is sometimes paired with IMAP or POP3 (for example, by a user-level application), which handles the retrieval of messages, while SMTP primarily sends messages to a server for forwarding.

Detailed explanation-3: -Application Layer Protocols Question 9 Detailed Solution The correct answer is SMTP. SMTP is used for sending emails, whereas POP is used for receiving emails. SMTP stands for Simple Mail Transfer Protocol. POP stands for Post Office Protocol.

Detailed explanation-4: -The Simple Mail Transfer Protocol (SMTP) is an Internet standard communication protocol for electronic mail transmission. Mail servers and other message transfer agents use SMTP to send and receive mail messages.